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authorMarko Mäkelä <marko.makela@mariadb.com>2016-12-22 12:03:36 +0200
committerMarko Mäkelä <marko.makela@mariadb.com>2016-12-22 15:10:39 +0200
commit545c9126963b26a093d5c8b6225cc52e360892e0 (patch)
tree32c469a97a3b6ae360f1b69c8014c807cdb974b3 /storage
parent7e02fd1f710e39e3cfccc507f24ceacee76b9439 (diff)
downloadmariadb-git-545c9126963b26a093d5c8b6225cc52e360892e0.tar.gz
Remove an unnecessary comparison.
Diffstat (limited to 'storage')
-rw-r--r--storage/innobase/fil/fil0crypt.cc5
-rw-r--r--storage/innobase/include/fil0crypt.h3
-rw-r--r--storage/xtradb/fil/fil0crypt.cc5
-rw-r--r--storage/xtradb/include/fil0crypt.h3
4 files changed, 0 insertions, 16 deletions
diff --git a/storage/innobase/fil/fil0crypt.cc b/storage/innobase/fil/fil0crypt.cc
index eb65e1758ed..6483cdc5a53 100644
--- a/storage/innobase/fil/fil0crypt.cc
+++ b/storage/innobase/fil/fil0crypt.cc
@@ -283,11 +283,6 @@ fil_space_read_crypt_data(
const byte* page, /*!< in: page 0 */
ulint offset) /*!< in: offset */
{
- if (memcmp(page + offset, EMPTY_PATTERN, MAGIC_SZ) == 0) {
- /* Crypt data is not stored. */
- return NULL;
- }
-
if (memcmp(page + offset, CRYPT_MAGIC, MAGIC_SZ) != 0) {
/* Crypt data is not stored. */
return NULL;
diff --git a/storage/innobase/include/fil0crypt.h b/storage/innobase/include/fil0crypt.h
index 8bb0ce65a6b..9a35f6591e7 100644
--- a/storage/innobase/include/fil0crypt.h
+++ b/storage/innobase/include/fil0crypt.h
@@ -34,9 +34,6 @@ Created 04/01/2015 Jan Lindström
static const unsigned char CRYPT_MAGIC[MAGIC_SZ] = {
's', 0xE, 0xC, 'R', 'E', 't' };
-static const unsigned char EMPTY_PATTERN[MAGIC_SZ] = {
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
-
/* This key will be used if nothing else is given */
#define FIL_DEFAULT_ENCRYPTION_KEY ENCRYPTION_KEY_SYSTEM_DATA
diff --git a/storage/xtradb/fil/fil0crypt.cc b/storage/xtradb/fil/fil0crypt.cc
index eb65e1758ed..6483cdc5a53 100644
--- a/storage/xtradb/fil/fil0crypt.cc
+++ b/storage/xtradb/fil/fil0crypt.cc
@@ -283,11 +283,6 @@ fil_space_read_crypt_data(
const byte* page, /*!< in: page 0 */
ulint offset) /*!< in: offset */
{
- if (memcmp(page + offset, EMPTY_PATTERN, MAGIC_SZ) == 0) {
- /* Crypt data is not stored. */
- return NULL;
- }
-
if (memcmp(page + offset, CRYPT_MAGIC, MAGIC_SZ) != 0) {
/* Crypt data is not stored. */
return NULL;
diff --git a/storage/xtradb/include/fil0crypt.h b/storage/xtradb/include/fil0crypt.h
index 8bb0ce65a6b..9a35f6591e7 100644
--- a/storage/xtradb/include/fil0crypt.h
+++ b/storage/xtradb/include/fil0crypt.h
@@ -34,9 +34,6 @@ Created 04/01/2015 Jan Lindström
static const unsigned char CRYPT_MAGIC[MAGIC_SZ] = {
's', 0xE, 0xC, 'R', 'E', 't' };
-static const unsigned char EMPTY_PATTERN[MAGIC_SZ] = {
- 0x0, 0x0, 0x0, 0x0, 0x0, 0x0 };
-
/* This key will be used if nothing else is given */
#define FIL_DEFAULT_ENCRYPTION_KEY ENCRYPTION_KEY_SYSTEM_DATA